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题名: Microporous Polyimides with Rationally Designed Chain Structure Achieving High Performance for Gas Separation
作者: Wang, ZG (王正宫) ; Wang, D (王栋) ; Jin, J (靳健)
通讯作者: Wang, D (王栋)
关键词: PERMEABILITY ; PURE ; POLY(1-TRIMETHYLSILYL-1-PROPYNE)
刊名: MACROMOLECULES
发表日期: 2014
卷: 47, 期:21, 页:7477-7483
收录类别: SCI
英文摘要: Polyimides of intrinsic microporosity are important polymers for gas separation. Achieving polyimides with high permeability and high selectivity relies on rationally designing their chain structure. In this work, new ladder-like diamines, Trogers Base (TB) derived diamines, are designed, and two microporous polyimides are constructed by polymerizing TB-derived diamines and spirobisindane based dianhydride, aiming at enhancing the stiffness of the whole backbone and thus achieving improved performance by taking advantage of the stiffness of both diamines and dianhydride. The two polyimides present excellent separation performance, surpassing the 2008 Robeson upper bound for gas pairs of H-2/N-2 and O-2/N-2 and approach the 2008 Robeson upper bound for gas pairs H-2/CH4 and CO2/CH4. Our results show that the designed polyimides have great potential for application especially for oxygen (O-2/N-2) and hydrogen (such as H-2/N-2 and H-2/CH4) related separation. 
语种: 英语
WOS记录号: WOS:000344905800025
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/1842
Appears in Collections:纳米仿生研究部_靳健团队_期刊论文

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Recommended Citation:
Wang, ZG ,Wang, D ,Jin, J . Microporous Polyimides with Rationally Designed Chain Structure Achieving High Performance for Gas Separation[J]. MACROMOLECULES,2014,47(21):7477-7483.
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